<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" | |
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> | |
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> | |
<head> | |
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" /> | |
<meta name="generator" content="AsciiDoc 8.6.9" /> | |
<title>git-fast-export(1)</title> | |
<style type="text/css"> | |
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */ | |
/* Default font. */ | |
body { | |
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h1, h2, h3, h4, h5, h6, | |
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/* | |
* xhtml11 specific | |
* | |
* */ | |
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/* | |
* html5 specific | |
* | |
* */ | |
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* manpage specific | |
* | |
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<script type="text/javascript"> | |
/*<![CDATA[*/ | |
var asciidoc = { // Namespace. | |
///////////////////////////////////////////////////////////////////// | |
// Table Of Contents generator | |
///////////////////////////////////////////////////////////////////// | |
/* Author: Mihai Bazon, September 2002 | |
* http://students.infoiasi.ro/~mishoo | |
* | |
* Table Of Content generator | |
* Version: 0.4 | |
* | |
* Feel free to use this script under the terms of the GNU General Public | |
* License, as long as you do not remove or alter this notice. | |
*/ | |
/* modified by Troy D. Hanson, September 2006. License: GPL */ | |
/* modified by Stuart Rackham, 2006, 2009. License: GPL */ | |
// toclevels = 1..4. | |
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///////////////////////////////////////////////////////////////////// | |
// Footnotes generator | |
///////////////////////////////////////////////////////////////////// | |
/* Based on footnote generation code from: | |
* http://www.brandspankingnew.net/archive/2005/07/format_footnote.html | |
*/ | |
footnotes: function () { | |
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spans[i].setAttribute("data-note", note); | |
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n + "</a>. " + note + "</div>"; | |
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"' title='View footnote' class='footnote'>" + n + "</a>]"; | |
} | |
} | |
} | |
}, | |
install: function(toclevels) { | |
var timerId; | |
function reinstall() { | |
asciidoc.footnotes(); | |
if (toclevels) { | |
asciidoc.toc(toclevels); | |
} | |
} | |
function reinstallAndRemoveTimer() { | |
clearInterval(timerId); | |
reinstall(); | |
} | |
timerId = setInterval(reinstall, 500); | |
if (document.addEventListener) | |
document.addEventListener("DOMContentLoaded", reinstallAndRemoveTimer, false); | |
else | |
window.onload = reinstallAndRemoveTimer; | |
} | |
} | |
asciidoc.install(); | |
/*]]>*/ | |
</script> | |
</head> | |
<body class="manpage"> | |
<div id="header"> | |
<h1> | |
git-fast-export(1) Manual Page | |
</h1> | |
<h2>NAME</h2> | |
<div class="sectionbody"> | |
<p>git-fast-export - | |
Git data exporter | |
</p> | |
</div> | |
</div> | |
<div id="content"> | |
<div class="sect1"> | |
<h2 id="_synopsis">SYNOPSIS</h2> | |
<div class="sectionbody"> | |
<div class="verseblock"> | |
<pre class="content"><em>git fast-export [options]</em> | <em>git fast-import</em></pre> | |
<div class="attribution"> | |
</div></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_description">DESCRIPTION</h2> | |
<div class="sectionbody"> | |
<div class="paragraph"><p>This program dumps the given revisions in a form suitable to be piped | |
into <em>git fast-import</em>.</p></div> | |
<div class="paragraph"><p>You can use it as a human-readable bundle replacement (see | |
<a href="git-bundle.html">git-bundle(1)</a>), or as a kind of an interactive | |
<em>git filter-branch</em>.</p></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_options">OPTIONS</h2> | |
<div class="sectionbody"> | |
<div class="dlist"><dl> | |
<dt class="hdlist1"> | |
--progress=<n> | |
</dt> | |
<dd> | |
<p> | |
Insert <em>progress</em> statements every <n> objects, to be shown by | |
<em>git fast-import</em> during import. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--signed-tags=(verbatim|warn|warn-strip|strip|abort) | |
</dt> | |
<dd> | |
<p> | |
Specify how to handle signed tags. Since any transformation | |
after the export can change the tag names (which can also happen | |
when excluding revisions) the signatures will not match. | |
</p> | |
<div class="paragraph"><p>When asking to <em>abort</em> (which is the default), this program will die | |
when encountering a signed tag. With <em>strip</em>, the tags will silently | |
be made unsigned, with <em>warn-strip</em> they will be made unsigned but a | |
warning will be displayed, with <em>verbatim</em>, they will be silently | |
exported and with <em>warn</em>, they will be exported, but you will see a | |
warning.</p></div> | |
</dd> | |
<dt class="hdlist1"> | |
--tag-of-filtered-object=(abort|drop|rewrite) | |
</dt> | |
<dd> | |
<p> | |
Specify how to handle tags whose tagged object is filtered out. | |
Since revisions and files to export can be limited by path, | |
tagged objects may be filtered completely. | |
</p> | |
<div class="paragraph"><p>When asking to <em>abort</em> (which is the default), this program will die | |
when encountering such a tag. With <em>drop</em> it will omit such tags from | |
the output. With <em>rewrite</em>, if the tagged object is a commit, it will | |
rewrite the tag to tag an ancestor commit (via parent rewriting; see | |
<a href="git-rev-list.html">git-rev-list(1)</a>)</p></div> | |
</dd> | |
<dt class="hdlist1"> | |
-M | |
</dt> | |
<dt class="hdlist1"> | |
-C | |
</dt> | |
<dd> | |
<p> | |
Perform move and/or copy detection, as described in the | |
<a href="git-diff.html">git-diff(1)</a> manual page, and use it to generate | |
rename and copy commands in the output dump. | |
</p> | |
<div class="paragraph"><p>Note that earlier versions of this command did not complain and | |
produced incorrect results if you gave these options.</p></div> | |
</dd> | |
<dt class="hdlist1"> | |
--export-marks=<file> | |
</dt> | |
<dd> | |
<p> | |
Dumps the internal marks table to <file> when complete. | |
Marks are written one per line as <code>:markid SHA-1</code>. Only marks | |
for revisions are dumped; marks for blobs are ignored. | |
Backends can use this file to validate imports after they | |
have been completed, or to save the marks table across | |
incremental runs. As <file> is only opened and truncated | |
at completion, the same path can also be safely given to | |
--import-marks. | |
The file will not be written if no new object has been | |
marked/exported. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--import-marks=<file> | |
</dt> | |
<dd> | |
<p> | |
Before processing any input, load the marks specified in | |
<file>. The input file must exist, must be readable, and | |
must use the same format as produced by --export-marks. | |
</p> | |
<div class="paragraph"><p>Any commits that have already been marked will not be exported again. | |
If the backend uses a similar --import-marks file, this allows for | |
incremental bidirectional exporting of the repository by keeping the | |
marks the same across runs.</p></div> | |
</dd> | |
<dt class="hdlist1"> | |
--fake-missing-tagger | |
</dt> | |
<dd> | |
<p> | |
Some old repositories have tags without a tagger. The | |
fast-import protocol was pretty strict about that, and did not | |
allow that. So fake a tagger to be able to fast-import the | |
output. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--use-done-feature | |
</dt> | |
<dd> | |
<p> | |
Start the stream with a <em>feature done</em> stanza, and terminate | |
it with a <em>done</em> command. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--no-data | |
</dt> | |
<dd> | |
<p> | |
Skip output of blob objects and instead refer to blobs via | |
their original SHA-1 hash. This is useful when rewriting the | |
directory structure or history of a repository without | |
touching the contents of individual files. Note that the | |
resulting stream can only be used by a repository which | |
already contains the necessary objects. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--full-tree | |
</dt> | |
<dd> | |
<p> | |
This option will cause fast-export to issue a "deleteall" | |
directive for each commit followed by a full list of all files | |
in the commit (as opposed to just listing the files which are | |
different from the commit’s first parent). | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--anonymize | |
</dt> | |
<dd> | |
<p> | |
Anonymize the contents of the repository while still retaining | |
the shape of the history and stored tree. See the section on | |
<code>ANONYMIZING</code> below. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
--refspec | |
</dt> | |
<dd> | |
<p> | |
Apply the specified refspec to each ref exported. Multiple of them can | |
be specified. | |
</p> | |
</dd> | |
<dt class="hdlist1"> | |
[<git-rev-list-args>…] | |
</dt> | |
<dd> | |
<p> | |
A list of arguments, acceptable to <em>git rev-parse</em> and | |
<em>git rev-list</em>, that specifies the specific objects and references | |
to export. For example, <code>master~10..master</code> causes the | |
current master reference to be exported along with all objects | |
added since its 10th ancestor commit. | |
</p> | |
</dd> | |
</dl></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_examples">EXAMPLES</h2> | |
<div class="sectionbody"> | |
<div class="listingblock"> | |
<div class="content"> | |
<pre><code>$ git fast-export --all | (cd /empty/repository && git fast-import)</code></pre> | |
</div></div> | |
<div class="paragraph"><p>This will export the whole repository and import it into the existing | |
empty repository. Except for reencoding commits that are not in | |
UTF-8, it would be a one-to-one mirror.</p></div> | |
<div class="listingblock"> | |
<div class="content"> | |
<pre><code>$ git fast-export master~5..master | | |
sed "s|refs/heads/master|refs/heads/other|" | | |
git fast-import</code></pre> | |
</div></div> | |
<div class="paragraph"><p>This makes a new branch called <em>other</em> from <em>master~5..master</em> | |
(i.e. if <em>master</em> has linear history, it will take the last 5 commits).</p></div> | |
<div class="paragraph"><p>Note that this assumes that none of the blobs and commit messages | |
referenced by that revision range contains the string | |
<em>refs/heads/master</em>.</p></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_anonymizing">ANONYMIZING</h2> | |
<div class="sectionbody"> | |
<div class="paragraph"><p>If the <code>--anonymize</code> option is given, git will attempt to remove all | |
identifying information from the repository while still retaining enough | |
of the original tree and history patterns to reproduce some bugs. The | |
goal is that a git bug which is found on a private repository will | |
persist in the anonymized repository, and the latter can be shared with | |
git developers to help solve the bug.</p></div> | |
<div class="paragraph"><p>With this option, git will replace all refnames, paths, blob contents, | |
commit and tag messages, names, and email addresses in the output with | |
anonymized data. Two instances of the same string will be replaced | |
equivalently (e.g., two commits with the same author will have the same | |
anonymized author in the output, but bear no resemblance to the original | |
author string). The relationship between commits, branches, and tags is | |
retained, as well as the commit timestamps (but the commit messages and | |
refnames bear no resemblance to the originals). The relative makeup of | |
the tree is retained (e.g., if you have a root tree with 10 files and 3 | |
trees, so will the output), but their names and the contents of the | |
files will be replaced.</p></div> | |
<div class="paragraph"><p>If you think you have found a git bug, you can start by exporting an | |
anonymized stream of the whole repository:</p></div> | |
<div class="listingblock"> | |
<div class="content"> | |
<pre><code>$ git fast-export --anonymize --all >anon-stream</code></pre> | |
</div></div> | |
<div class="paragraph"><p>Then confirm that the bug persists in a repository created from that | |
stream (many bugs will not, as they really do depend on the exact | |
repository contents):</p></div> | |
<div class="listingblock"> | |
<div class="content"> | |
<pre><code>$ git init anon-repo | |
$ cd anon-repo | |
$ git fast-import <../anon-stream | |
$ ... test your bug ...</code></pre> | |
</div></div> | |
<div class="paragraph"><p>If the anonymized repository shows the bug, it may be worth sharing | |
<code>anon-stream</code> along with a regular bug report. Note that the anonymized | |
stream compresses very well, so gzipping it is encouraged. If you want | |
to examine the stream to see that it does not contain any private data, | |
you can peruse it directly before sending. You may also want to try:</p></div> | |
<div class="listingblock"> | |
<div class="content"> | |
<pre><code>$ perl -pe 's/\d+/X/g' <anon-stream | sort -u | less</code></pre> | |
</div></div> | |
<div class="paragraph"><p>which shows all of the unique lines (with numbers converted to "X", to | |
collapse "User 0", "User 1", etc into "User X"). This produces a much | |
smaller output, and it is usually easy to quickly confirm that there is | |
no private data in the stream.</p></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_limitations">Limitations</h2> | |
<div class="sectionbody"> | |
<div class="paragraph"><p>Since <em>git fast-import</em> cannot tag trees, you will not be | |
able to export the linux.git repository completely, as it contains | |
a tag referencing a tree instead of a commit.</p></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_see_also">SEE ALSO</h2> | |
<div class="sectionbody"> | |
<div class="paragraph"><p><a href="git-fast-import.html">git-fast-import(1)</a></p></div> | |
</div> | |
</div> | |
<div class="sect1"> | |
<h2 id="_git">GIT</h2> | |
<div class="sectionbody"> | |
<div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div> | |
</div> | |
</div> | |
</div> | |
<div id="footnotes"><hr /></div> | |
<div id="footer"> | |
<div id="footer-text"> | |
Last updated 2015-05-22 13:47:07 PDT | |
</div> | |
</div> | |
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